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Clinical Trial Summary

The ANDORRA study is a, multicenter, prospective, open, randomized, controlled blinded endpoint trial (PROBE) comparing two treatment strategies (renal artery stenting + standardized and optimized medical treatment [SOMT] versus SOMT alone) of 12 months duration in patients with confirmed resistant hypertension (RH) and angiographically proven grade III unilateral or bilateral atherosclerotic renal artery stenosis (ARAS) ≥ 60%.


Clinical Trial Description

All eligible patients diagnosed with RH on office BP measurements and unilateral or bilateral ARAS ≥60% on a non-invasive test (CT-angiogram or MR-angiogram) will receive a standardized optimized triple antihypertensive treatment for 4 weeks. After 4 weeks, patients with confirmed RH by ABPM (daytime ABPM ≥ 135 or 85 mmHg) and no clinically significant increase in plasma creatinine from baseline (< 30%) will undergo a renal angiogram to confirm the degree of ARAS ≥60% in diameter.

Immediately after the renal angiography, all patients will undergo flow fractional reserve (FFR) measurements. Once FFR measurements have been done and all criteria are met, patients will be randomized in the angiography room to either renal artery stenting + SOMT (stenting group) versus SOMT (control group) whatever the results of the FFR in a 1:1 ratio. Both groups will continue the SOMT during follow-up.

The SOMT will be prescribed from the inclusion visit until the 6 month-visit after randomization. After randomization, the antihypertensive treatment will be adapted according to the results of home BP (HBP) at monthly visits starting 2 months after randomization. After the 6-month visit, the antihypertensive treatment adaptation will be left at the discretion of the physician in charge of the patient. ;


Study Design


Related Conditions & MeSH terms


NCT number NCT02539810
Study type Interventional
Source Assistance Publique - Hôpitaux de Paris
Contact
Status Terminated
Phase Phase 4
Start date September 2015
Completion date July 2017

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